2006 Mercedes R-Class Owner's Manual - Page 369

Operation Tires and wheels Switch on the ignition ( page 38). Make sure the standard display menu appears in the multifunction display ( page 168). Press button k or j repeatedly until the following message appears in the multifunction display: If you wish to confirm activation: Press button æ. The following message will appear in the multifunction display: Run Flat Indicator reactivated Checking tire pressure electronically with the Tire Pressure Monitoring System (TPMS), (USA only) i The Tire Pressure Monitoring System (TPMS) is equipped with a combination low tire pressure/TPMS malfunction telltale in the instrument cluster ( page 24). Depending on how the telltale illuminates, it indicates a low tire pressure condition or a malfunction in the TPMS system itself: If the telltale illuminates continuously, one or more of your tires is significantly underinflated. There is no malfunction in the TPMS. If the telltale flashes for 60 seconds and then stays illuminated, the TPMS system itself is not operating properly. After a certain "learning phase", the Run Flat Indicator checks the set pressure values for all four tires. If you wish to cancel activation: Press button ç. or Press button æ. The following message will appear in the multifunction display: Tire pressure now OK? Wait until the message Tire pressure now OK? disappears. 368